Hand-wired core for ROM?

Rod Smallwood rodsmallwood52 at btinternet.com
Fri Apr 10 14:10:19 CDT 2015

Hey Guys do what I just did .. Go to Google type in rope memory.. Read 
and then comment.

Its perfectly true that that DEC only used diode matrixes for bootstrap 
They were easy to change and suitable for customers

However you need to understand the culture back then.
Engineers were encouraged to try any technology they chose and they 
chose just about everything.


On 10/04/2015 17:08, Johnny Billquist wrote:
> On 2015-04-10 16:38, geneb wrote:
>> Did the PDP14 (or any machine of that era) ever use hand-threaded (by
>> the end user) core boards as ROM?
> Hand threaded or not, core is not rom...
>     Johnny

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